CVE-2024-50382
MEDIUM 5.9EPSS 0.5%
Botan before 3.6.0, when certain LLVM versions are used, has compiler-induced secret-dependent control flow in lib/utils/ghash/ghash.cpp in GHASH in AES-GCM. There is a branch instead of an XOR with carry. This was observed for Clang in LLVM 15 on RISC-V.
- CVSS v3.1 CNA
- 5.9 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS
- 0.55% chance of exploitation in the next 30 days, 45th percentile
- Published
- 2024-10-23
- Updated
- 2024-10-24
Proof-of-concept exploits (1)
Security advisories
- randombit/botan/commit/53b0cfde580e86b03d0d27a488b6c134f662e957
- https://news.ycombinator.com/item?id=41887153